RetroViator's latest activity
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Board Nominations
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Hey Guest, MARCHintosh 2026 is upon us. Check out community projects, join GlobalTalk, and have fun!
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RetroViator replied to the thread Mac IIsi Repairathon.Alpha is A-Okay After spending time on Bravo's audio problems, I decided to check out Alpha's speaker problem while the subject was... -
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RetroViator replied to the thread Mac IIsi Repairathon.Back to Bravo Bravo finally has a voice. I went back to consider the odd oscilloscope readings I saw earlier, and I started at the...
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RetroViator replied to the thread IIci & IIcx External PSU.I suggest getting an extension cable with individual cables (like the one I have in the photo), and then use a hack saw to cut off the...
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RetroViator replied to the thread IIci & IIcx External PSU.Yes, an 24-pin ATX power supply cable can be cut down as an extender for several ‘90s Mac PSUs. Here is one connected to a Mac IIsi.
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RetroViator replied to the thread Mac IIsi Repairathon.What's next... I tested each of the five functional boards with my snazzy TechStep built by @max1zzz. It confirmed that Delta and Echo...
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RetroViator replied to the thread Mac IIsi Repairathon.The Dreaded Power Supplies Knowing how bad the IIsi power supplies are (due to leaky SMD caps on the soft power daughter board and leaky...
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